MD History: Delete Grouped History

chrome/browser/resources/md_history/list_container.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 Polymer({
   is: 'history-list-container',
 
   properties: {
-    // The path of the currently selected page.
-    selectedPage_: {
-      type: String,
-      computed: 'computeSelectedPage_(queryState.range)',
-    },
-
-    // Whether domain-grouped history is enabled.
-    grouped: Boolean,
-
     /** @type {!QueryState} */
     queryState: Object,
 
     /** @type {!QueryResult} */
     queryResult: Object,
 
     /**
      * @private {?{
      *   index: number,
      *   item: !HistoryEntry,
@@ skipping 19 matching lines @@
 
     if (info.term && !this.queryState.incremental) {
       Polymer.IronA11yAnnouncer.requestAvailability();
       this.fire('iron-announce', {
         text:
             md_history.HistoryItem.searchResultsTitle(results.length, info.term)
       });
     }
 
     var list = /** @type {HistoryListBehavior} */ this.getSelectedList_();
-    // It is possible for results to arrive for the grouped list before the lazy
-    // load has finished and the <history-grouped-list> element exists. In this
-    // case, add the items to a property on the unresolved element which can be
-    // read when it upgrades and is attached.
-    if (Polymer.isInstance(list))
-      list.addNewResults(results, this.queryState.incremental, info.finished);
-    else
-      list.initialData = results;
+    list.addNewResults(results, this.queryState.incremental, info.finished);
   },
 
   historyDeleted: function() {
     // Do not reload the list when there are items checked.
     if (this.getSelectedItemCount() > 0)
       return;
 
     // Reload the list with current search state.
     this.fire('query-history', false);
   },
@@ skipping 26 matching lines @@
     browserService.recordAction('RemoveSelected');
     if (this.queryState.searchTerm != '')
       browserService.recordAction('SearchResultRemove');
     this.$.dialog.get().showModal();
 
     // TODO(dbeam): remove focus flicker caused by showModal() + focus().
     this.$$('.action-button').focus();
   },
 
   /**
-   * @param {HistoryRange} range
-   * @return {string}
-   * @private
-   */
-  computeSelectedPage_: function(range) {
-    return range == HistoryRange.ALL_TIME ? 'infinite-list' : 'grouped-list';
-  },
-
-  /**
    * @param {HistoryQuery} info
    * @param {!Array<HistoryEntry>} results
    * @private
    */
   initializeResults_: function(info, results) {
     if (results.length == 0)
       return;
 
     var currentDate = results[0].dateRelativeDay;
 
@@ skipping 96 matching lines @@
       }
     }.bind(this));
     this.closeMenu_();
   },
 
   /**
    * @return {Element}
    * @private
    */
   getSelectedList_: function() {
-    return this.$$('#' + this.selectedPage_);
+    return this.$['infinite-list'];
   },
 
   /** @private */
   canDeleteHistory_: function() {
     return loadTimeData.getBoolean('allowDeletingHistory');
   }
 });